more TaggedTemplateExpression treeshake support

[LongTengDao]

This PR contains:

• bugfix
• feature
• refactor
• documentation
• other

Are tests included?

• yes (bugfixes and features will not be merged without tests)
• no

Breaking Changes?

• yes (breaking changes will not be merged unless absolutely necessary)
• no

List any relevant issue numbers:

resolves #3880

Description

[codecov]

Codecov Report

Merging #4277 (dfba1e3) into master (8d98341) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #4277   +/-   ##
=======================================
  Coverage   98.39%   98.40%           
=======================================
  Files         204      204           
  Lines        7312     7319    +7     
  Branches     2084     2088    +4     
=======================================
+ Hits         7195     7202    +7     
  Misses         58       58           
  Partials       59       59           

Impacted Files	Coverage Δ
src/utils/pureComments.ts	100.00% <ø> (ø)
src/ast/nodes/TaggedTemplateExpression.ts	100.00% <100.00%> (ø)
src/ast/nodes/NodeType.ts	100.00% <0.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 8d98341...dfba1e3. Read the comment docs.

[lukastaegert]

Hi, sorry for the silence. I know I said to go ahead, but I had completely forgotten this discussion: #4035
While I think such an annotation would be useful, it is ultimately Uglify's annotation so we should probably stick with what they do here.